The weather in Kolkata in September is very hot. The average temperatures are between 26°C and 33°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in Kolkata.
Kolkata should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Kolkata in September 2025.
If you’re planning to visit Kolkata in the near future, we highly recommend that you review the 14 day weather forecast for Kolkata before you arrive.
Temperatures
33° / 26°
Rainy Days
17
Snowy Days
0
Dry Days
13
Rainfall
255
mm
Sun Hours
10.8
Hrs